Quick Fuel Technology SL-1957E | Carburetor

Part Number
Slayer Series Carburetor; 600 cfm.; Vacuum Secondary; Single Inlet Fuel Bowls; Electric Choke
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Slayer-Series - The Slayer Series is designed with many of the same engineering innovations and features that are built into all QFT(TM) race-winning carburetors. Its unique design utilizes a secondary metering plate with changeable jets and features all aluminum components for additional weight savings. Now available from QFT(TM), a new 450 CFM four barrel Slayer carburetor designed for small displacement 4-cylinder, 6-cylinder and V-8 engines. All Slayer Series carburetors are equipped with universal throttle levers to accommodate Ford A/T Kick down, GM 700 R4 mounting holes, and ability to mount brackets for Chrysler vehicles.

BRAND: Quick Fuel Technology


  • 1 9/16 in. Throttle Bore Size
  • 18-1 Needle And Seat
  • 21-31 Pump Nozzle
  • 22-66 Primary Jet
  • 22-74 Secondary Jet
  • 25-65 Power Valve
  • 26-31 Hi Speed Bleed
  • 26-73/26-33 Idle Bleed
  • Gas Fuel
  • Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
  • Slayer Series Carburetor
  • Slayer Series Carburetor; 600 cfm.; Vacuum Secondary; Single Inlet Fuel Bowls; Electric Choke;


Billet ColorDiecast-No Billet
Booster TypeDown Leg
Carburetor TypeSlayer Series
EmissionWithout EGR
Fuel System TypeCarbureted
Fuel TypeGasoline
High Speed Air Bleed31
Idle Air Bleed Size73;33
Primary Main Jet66
Primary Power Valve65
Primary Pump Nozzle Size31
Secondary Main Jet74
Secondary TypeVacuum
Supercharged ApplicationNo
Throttle Bore1.5625 in.
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warning.ca.gov

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